AMP Research B24 1999 VS GT MARATHON 9R 2009 specs comparison

AMP Research B24

General Infos

Model	B24
Manufacturer	AMP Research
Year of production	1999
Current price	Check price Here ==>
Color choice	-Red
Sizes	- Adjustable for rider height (inches) - fits 4' to 5' 2 riders (inches)
Sizes	- Adjustable for rider height (inches) - fits 4' to 5' 2 riders (inches)

Wheels And Breaking System

Bike front tire	24 X 1.95 (inches) Specialized
Bike rear tire	Not Available
Bike wheel size	24 (inches) Wheels
Brakeset type	Shimano Alivio Levers AMP D1 Hydraulic Disc Brake System Brakes
Hubs for disc brakes	Rear: Shimano Alivio Front: AMP Research D1
Rims manufacturer	32-hole Sun Rims CR18
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	Alcoa Alcalyte 6013 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Hsin Lung Aluminum
Handlebar extender	Not Available
Handlebar stem details	Hsin Lung Aluminum
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG90
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP27
Crankset parts and sizes	22/32/42 Teeth Shimano Alivio
Gear shift levers	Shimano Alivio RapidFire SL
Rear gear set	11 - 30 Teeth 9-speed

AMP Research B24 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 35.0 (millimeters) Shimano Alivio
Derailleur (Rear)	Shimano Alivio
Fork material	Linkage Crown Alcoa Alcalyte 6013 T6 Aluminum
Fork type	2.25 (inches) Travel AMP Research F3 XC

Other Specs of AMP Research B24

Component group sets	Shimano Alivio
Pedals details	Aluminum Platform
Rear shock absorber	3.0 (inches) Travel AMP Research
Saddle seat	Serfas Lola
Seat post extension	31.6 (millimeters) Diameter Hsin Lung SP-41

GT Marathon 9r

General Infos

Model	Marathon 9r
Manufacturer	GT
Year of production	2009
Current price	Check price Here ==>
Color choice	-Dark Blue
Sizes	- Medium - large - xlarge

Wheels And Breaking System

Bike front tire	29 X 2.10 (inches) Kenda Small Block Eight
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Shimano SLX Hydraulic Levers Shimano SLX Disc With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Shimano SLX Centerlock Disc
Rims manufacturer	WTB SpeedDisc All Mountain 29er
Spoke nipples type	DT Brass
Spoke wheel	14/15ga. Butted DT Swiss Stainless

Frame and Body Specs

Frame materials	GT I-Drive 4 6061 Aluminum
Frame type	TIG-welded
Handlebar construction	Easton EA50 MonkeyBar
Handlebar extender	Optional
Handlebar stem details	Easton EA50 31.8
Headset size	1 1/8 (inches) TH IS-3E

Gearing Specifications

Bicycle chain	Shimano HG73
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano SLX Hollowtech II
Crankset parts and sizes	22/32/44 Teeth Shimano SLX
Gear shift levers	Shimano SLX RapidFire
Rear gear set	11 - 34 Teeth 9-speed

GT Marathon 9r Fork System Data

Derailleur (Front)	Shimano SLX
Derailleur (Rear)	Shimano SLX
Fork material	Single Crown Alloy
Fork type	100 (millimeters) Travel RockShox Reba SL Dual Air 29er

Other Specs of GT Marathon 9r

Component group sets	Shimano SLX
Pedals details	Shimano PD-M520
Rear shock absorber	RockShox Monarch 3.1
Saddle seat	WTB Pure V Race
Seat post extension	Easton EA30